20011121010022 has 8 divisors (see below), whose sum is σ = 31051739498400. Its totient is φ = 9660541177224.

The previous prime is 20011121009941. The next prime is 20011121010043. The reversal of 20011121010022 is 22001012111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20011121009984 and 20011121010011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172509663822 + ... + 172509663937.

It is an arithmetic number, because the mean of its divisors is an integer number (3881467437300).

Almost surely, 2^{20011121010022} is an apocalyptic number.

20011121010022 is a deficient number, since it is larger than the sum of its proper divisors (11040618488378).

20011121010022 is a wasteful number, since it uses less digits than its factorization.

20011121010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345019327790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011121010022 its reverse (22001012111002), we get a palindrome (42012133121024).

The spelling of 20011121010022 in words is "twenty trillion, eleven billion, one hundred twenty-one million, ten thousand, twenty-two".